Pulmonary artery, Pulmonary Vein, Vena Cava, Aorta, Lungs, Right Atrium, Left atrium, Right Ventricle, Left ventricle, working muscles, oxygenated blood, deoxygenated blood, pulmonary circuit, systemic circuit.

Double circulatory system to label

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?